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89992100940 = 223578312720327
BaseRepresentation
bin101001111001111110…
…0100111110001001100
322121021201000101122120
41103303330213301030
52433300434212230
6105201455012540
76334042144140
oct1236374476114
9277251011576
1089992100940
1135190216445
121553620a150
1386422b7a91
1444d9c43220
15251a81b310
hex14f3f27c4c

89992100940 has 192 divisors, whose sum is σ = 293753585664. Its totient is φ = 20160790272.

The previous prime is 89992100921. The next prime is 89992100959. The reversal of 89992100940 is 4900129998.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89992100921) and next prime (89992100959).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4417057 + ... + 4437383.

It is an arithmetic number, because the mean of its divisors is an integer number (1529966592).

Almost surely, 289992100940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89992100940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146876792832).

89992100940 is an abundant number, since it is smaller than the sum of its proper divisors (203761484724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89992100940 is a wasteful number, since it uses less digits than its factorization.

89992100940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20556 (or 20554 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 51.

The spelling of 89992100940 in words is "eighty-nine billion, nine hundred ninety-two million, one hundred thousand, nine hundred forty".